Att Test 8 Questions With Correct Answers- Graded A

What are 5 parts of a power supply? {Ans: } Input, rectifier, filter, regulator, protectionWhich two parts of a power supply are optional? {Ans: } Regulator and protectionWhat is the purpose of a power supply? {Ans: } To convert AC power into smooth DC powerWhat does the input of a power supply do? {Ans: } Step up or down the AC input voltageWhat does the rectifier do in a power supply? {Ans: } Changes AC into pulsating DCWhat does the filter do in a power supply? {Ans: } Changes pulsating DC into smooth DCHow type of components do filters use? {Ans: } Reactive componentsWhat does a regulator do in a power supply? {Ans: } maintains the output voltage at a constant level despite changes in load currentWhat does the protection circuit do in power supply? {Ans: } Prevents damage to power supply if load becomes faulty, limits or disables outputThe half wave rectifier is the same as what circuit? {Ans: } Series limiterWhich rectifier is the least efficient using only half the input? {Ans: } Half-waveWhich two rectifiers require two input signals 180 degrees out of phase? {Ans: } Full-wave and bridgeWhich rectifier uses a center tapped transformer? {Ans: }